Waec Biology Past Questions and Answers

Question 101:

• WAEC 1990

Which of the following is not true about auxins? They

A. Are manufactured by plants
B. Are used in the site of production
C. Are normally present in minute quantities in the cells of plants
D. Regulate growth rate of plants
E. Regulate direction of growth in plants

Question 102:

• WAEC 1990

Which of the following stimuli are not perceived through the skin of mammals?

A. Light
B. Pressure
C. Pain
D. Heat
E. Cold

Question 103:

• WAEC 1990

Which of the following parts of the' tongue does not correspond to the taste indicated against it?

A. Tip-sweet
B. Centre salt
C. Back-sour
D. Side-sour
E. Back-bitter

Question 104:

• WAEC 1990

The structures labelled III, VI, IV and II respectively represent the

A. Uterus, cervix, oviduct and ureter
B. Cervix, oviduct, uterus and ureter
C. Oviduct, uterus, ureter and cervix
D. Vagina, cervix, oviduct and uterus
E. Uterus, cervix, ovary and oviduct

Question 105:

• WAEC 1990

The gamete is produced in the structure labelled

A. I
B. II
C. IV
D. VI
E. V